Tehran has once again said that it has not received a letter from U.S. President Donald Trump, days after he claimed to have ...

Brent crude rose by 10 cents to $70.46 a barrel by 1057 GMT. U.S. West Texas Intermediate crude was at $67.14, also up 10 cents ...

Iran has indicated a potential willingness to engage in nuclear negotiations with the US, but only if discussions focus ...